144041331 has 12 divisors (see below), whose sum is σ = 223411272. Its totient is φ = 82309248.

The previous prime is 144041329. The next prime is 144041351. The reversal of 144041331 is 133140441.

It is not a de Polignac number, because 144041331 - 2¹ = 144041329 is a prime.

It is a super-2 number, since 2×144041331² = 41495810072503122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 144041298 and 144041307.

It is not an unprimeable number, because it can be changed into a prime (144041311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489790 + ... + 490083.

It is an arithmetic number, because the mean of its divisors is an integer number (18617606).

Almost surely, 2^144041331 is an apocalyptic number.

144041331 is a deficient number, since it is larger than the sum of its proper divisors (79369941).

144041331 is an equidigital number, since it uses as much as digits as its factorization.

144041331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979890 (or 979883 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144041331 is about 12001.7220014463. The cubic root of 144041331 is about 524.1984212034.

Adding to 144041331 its reverse (133140441), we get a palindrome (277181772).

The spelling of 144041331 in words is "one hundred forty-four million, forty-one thousand, three hundred thirty-one".